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A light beam is travelling from Region 1 to Region 4 (refer figure). The refractive indices in Regions 1, 2, 3, and 4 are n0 , n0/2, n0/6, n0/8, respectively. The angle of incidence theta
06
Oct
A light beam is travelling from Region 1 to Region 4 (refer figure). The refractive indices in Regions 1, 2, 3, and 4 are n0 , n0/2, n0/6, n0/8, respectively. The angle of incidence theta 2 3% A light beam is travelling from Region 1 to Region 4 (refer figure). The refractive indices in Regions [...]
A container is filled with water ( mu = 1.33) up to a height of 33.25 cm. A convex mirror is placed 15 cm above the water level and the image of an object placed at the bottom is formed
06
Oct
A container is filled with water ( mu = 1.33) up to a height of 33.25 cm. A convex mirror is placed 15 cm above the water level and the image of an object placed at the bottom is formed A container is filled with water ( mu = 1.33) up to a height of [...]
A rectangular glass slab ABCD of refractive index n1 is immersed in water of refractive index n2 (n1 < n2). A ray of light is incident at the surface AB of the slab as shown. The maximum value of the angle
06
Oct
A rectangular glass slab ABCD of refractive index n1 is immersed in water of refractive index n2 (n1 < n2). A ray of light is incident at the surface AB of the slab as shown. The maximum value of the angle according to the observer in air? (refractive index of the liquid is m) What [...]
A diverging beam of light from a point source S having divergence angle alpha, falls symmetrically on a glass slab as shown. The angles of incidence of the two extreme rays are
06
Oct
A diverging beam of light from a point source S having divergence angle alpha, falls symmetrically on a glass slab as shown. The angles of incidence of the two extreme rays are A diverging beam of light from a point source S having divergence angle alpha falls symmetrically on a glass slab as shown. The [...]
A die is thrown twice. What is the probability that (i) 5 will not come up either time? (ii) 5 will come up at least once?
06
Oct
A die is thrown twice. What is the probability that (i) 5 will not come up either time? (ii) 5 will come up at least once? A die is thrown twice. What is the probability that (i) 5 will not come up either time? (ii) 5 will come up at least once? October 6, 2020 [...]
A game consists of tossing a one rupee coin 3 times and noting its outcome each time. Hanif wins if all the tosses give the same result i.e., three heads or three tails, and loses otherwise. Calculate the probability that Hanif will lose the game.
06
Oct
A game consists of tossing a one rupee coin 3 times and noting its outcome each time. Hanif wins if all the tosses give the same result i.e., three heads or three tails, and loses otherwise. Calculate the probability that Hanif will lose the game. A game consists of tossing a one rupee coin 3 [...]
A glass prism of refractive index 1.5 is immersed in water (refractive index 4/3). A light beam normally on the face AB is totally reflected to reach on the face BC if
06
Oct
A glass prism of refractive index 1.5 is immersed in water (refractive index 4/3). A light beam normally on the face AB is totally reflected to reach on the face BC if A glass prism of refractive index 1.5 is immersed in water (refractive index 4/3). A light beam normally on the face AB is [...]
Refer to Example 13. (i) Complete the following table: (ii) A student argues that ‘there are 11 possible outcomes 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12. Therefore, each of them has a probability 1/11. Do you agree with this argument? Justify your answer.
06
Oct
Refer to Example 13. (i) Complete the following table: (ii) A student argues that ‘there are 11 possible outcomes 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12. Therefore, each of them has a probability 1/11. Do you agree with this argument? Justify your answer. 10 11 and 12. Therefore 3% 4 [...]
A converging mirror forms real image of object AB on screen. Now a hole is made on mirror just in front of point B, select the correct option.
06
Oct
A converging mirror forms real image of object AB on screen. Now a hole is made on mirror just in front of point B, select the correct option. A converging mirror forms real image of object AB on screen. Now a hole is made on mirror just in front of point B select the correct [...]
The diagram shows five isosceles right angled prisms. A light ray incident at 90 at the first face emerges at same angle with the normal from the last face. Which of the following relations will
06
Oct
The diagram shows five isosceles right angled prisms. A light ray incident at 90 at the first face emerges at same angle with the normal from the last face. Which of the following relations will The diagram shows five isosceles right angled prisms. A light ray incident at 90 at the first face emerges at [...]